Determine the Maximum and Minimum Number of X-Intercepts for the Graph

question 38

Multiple Choice

Determine the maximum and minimum number of x-intercepts for the graph of the polynomial function. Do not graph
the function.
- $f ( x ) = 5 x ^ { 9 } - 4 x ^ { 8 } + x ^ { 7 } + 2.5 x + 15$

• A)maximum number of x-intercepts: 9; minimum number of x-intercepts: 3
• B)maximum number of x-intercepts: 9; minimum number of x-intercepts: 2
• C)maximum number of x-intercepts: 9; minimum number of x-intercepts: 0
• D)maximum number of x-intercepts: 9; minimum number of x-intercepts: 1

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